一个日历代码，这论坛上找到的，只能在IE下面用，FF不行，可惜我看不懂这段代码，所以请大大们帮我看下
应该怎么改才能在FF下面用？
<input type= "text " name= "birthday " onfocus= "javascript:show_cele_date(birthday, ' ', ' ',birthday) ">
<script language= "javascript ">
var date_start,date_end,g_object;
var today=new Date();
var separator= "- ";
var inover=false;
//mode :时间变换的类型0-年 1-月 2-直接选择月
function change_date(temp,mode)
{
var t_month,t_year;
if(mode)
{
if(mode==1)
t_month=parseInt(cele_date_month.value,10)+parseInt(temp,10);
else
t_month=parseInt(temp)

if(t_month <cele_date_month.options(0).text)
{
cele_date_month.value=cele_date_month.options(cele_date_month.length-1).text;
change_date(parseInt(cele_date_year.value,10)-1,0);
}
else
{
if(t_month> cele_date_month.options(cele_date_month.length-1).text)
{
cele_date_month.value=cele_date_month.options(0).text;
change_date(parseInt(cele_date_year.value,10)+1,0);
}
else
{
cele_date_month.value=t_month;
set_cele_date(cele_date_year.value,cele_date_month.value);
}
}
}
else
{
t_year=parseInt(temp,10);
if(t_year <cele_date_year.options(0).text)
{
cele_date_year.value=cele_date_year.options(0).text;
set_cele_date(cele_date_year.value,1);
}
else
{
if(parseInt(t_year,10)> parseInt(cele_date_year.options(cele_date_year.length-1).text,10))
{
cele_date_year.value=cele_date_year.options(cele_date_year.length-1).text;
set_cele_date(cele_date_year.value,12);
}
else
{
cele_date_year.value=t_year;

set_cele_date(cele_date_year.value,cele_date_month.value);
}
}
}
/*********2002-02-01 MODIFY BY WING **************/
window.cele_date.focus();
/****************MODIFY END***********************/
}

//初始化日历
function init(d_start,d_end)
{
var temp_str;
var i=0;
var j=0;
date_start=new Date(1980,7,1);
date_end=new Date(2004,8,1);
document.writeln( " <div name=\ "cele_date\ " id=\ "cele_date\ " style=\ "display:none\ " style=\ "LEFT: 69px; POSITION: absolute; TOP: 159px;Z-INDEX:99\ " onClick=\ "event.cancelBubble=true;\ " onBlur=\ "hilayer()\ " onMouseout=\ "lostlayerfocus()\ "> - </div> ");
window.cele_date.innerHTML= " ";
temp_str= " <table border=\ "1\ " bgcolor=\ "#DDDDDD\ " bordercolor=\ "white\ "> <tr> <td colspan=7 onmouseover=\ "overcolor(this)\ "> ";
temp_str+= " <input type=\ "Button\ " value=\ " < <\ " onclick=\ "change_date(-1,1)\ " onmouseover=\ "getlayerfocus()\ " style=\ "color: #000099; background-color: #BFBFBF; cursor: hand\ "> - ";
temp_str+= " "
temp_str+= " <select name=\ "cele_date_year\ " id=\ "cele_date_year\ " language=\ "javascript\ " onchange=\ "change_date(this.value,0)\ " onmouseover=\ "getlayerfocus()\ " onblur=\ "getlayerfocus()\ " style=\ "font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB\ "> "
for(i=1900;i <=2020;i++)
{
temp_str+= " <OPTION value=\ " "+i.toString()+ "\ "> "+i.toString()+ " </OPTION> ";
}
temp_str+= " </select> - ";

temp_str+= " "
temp_str+= " <select name=\ "cele_date_month\ " id=\ "cele_date_month\ " language=\ "javascript\ " onchange=\ "change_date(this.value,2)\ " onmouseover=\ "getlayerfocus()\ " onblur=\ "getlayerfocus()\ " style=\ "font-size: 9pt; border: 1px #666666 outset; background-color: #F4F8FB\ "> "
for(i=1;i <=12;i++)
{
temp_str+= " <OPTION value=\ " "+i.toString()+ "\ "> "+i.toString()+ " </OPTION> ";
}
temp_str+= " </select> - ";
temp_str+= " "
temp_str+= " <input type=\ "Button\ " value=\ "> > \ " onclick=\ "change_date(1,1)\ " onmouseover=\ "getlayerfocus()\ " style=\ "color: #000099; background-color: #BFBFBF; cursor: hand\ "> ";
temp_str+= " </td> </tr> <tr> <td onmouseover=\ "overcolor(this)\ "> "
temp_str+= " <font color=red> 日 </font> </td> <td> ";temp_str+= "一 </td> <td> "; temp_str+= "二 </td> <td> "; temp_str+= "三 </td> <td> "
temp_str+= "四 </td> <td> ";temp_str+= "五 </td> <td> "; temp_str+= "六 </td> </tr> ";
for(i=1 ;i <=6 ;i++)
{
temp_str+= " <tr> ";
for(j=1;j <=7;j++)
{
temp_str+= " <td name=\ "c "+i+ "_ "+j+ "\ "id=\ "c "+i+ "_ "+j+ "\ " style=\ "CURSOR: hand\ " style=\ "COLOR:#000000\ " language=\ "javascript\ " onmouseover=\ "overcolor(this)\ " onmouseout=\ "outcolor(this)\ " onclick=\ "td_click(this)\ "> ? </td> "
}
temp_str+= " </tr> "
}
temp_str+= " </td> </tr> </table> ";
window.cele_date.innerHTML=temp_str;
}

[解决办法]
要改的话，工作量还是不小的
[解决办法]
是啊,建议换其它的吧,写的时候不注意,那改起来可就难了!
------解决方案--------------------

JF